1. Limited warranty Products manufactured by GRUNDFOS PUMPS CORPORATION CONTENTS (Grundfos) are warranted to the original user only to be free of Page defects in material and workmanship for a period of 24 months from date of installation, but not more than 30 months from date Limited warranty of manufacture.
• Control equipment, e. g. MP 204. • KPL and KWM: A column pipe with a seat ring and integrated A blue or grey circle with a white graphical symbol anti-rotation brackets on which the pump is standing. The seat indicates that an action must be taken.
- The weight of the specific pump is stated on the Lifting point, top nameplate. KPL and KWM: use the lifting bracket as the top lifting point. See fig. 4. DANGER KPG: use two top lifting points. See fig. 5.
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4.2.1 Lifting with single or double wire Lifting with double wire Lifting with single wire Fig. 7 KPL and KWM: lifting with double wire, step 1 Fig. 4 KPL and KWM: lifting with single wire Fig. 8 KPL and KWM: lifting with double wire, step 2 Fig.
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4.2.4 Pit construction Screen Max. 10 ° Fig. 13 Schematic view of pit design...
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10° Max. 20 ° Flow velocity V: 0.7 m/sec. for storm- and wastewater containing particles. 0.3 m/sec. for screened storm- and wastewater without particles. Dimensions [in. (mm)] [mm] [mm] [mm] [mm] [mm] 20 (DN 500) 79 (2000) 39 (1000) 10 (250) 79 (2000) 79 (2000) 24 (DN 600)
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1. Make sure that the sealing O-ring is clean and located in the groove on the bottom of the inlet casing (KPL) or outlet casing (KWM). The O-ring seals between the pump and the seat ring to preventing backflow.
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Cable suspension system A cable suspension system is mandatory to avoid cable damage during operation. Figure indicates a principle sketch only - the cable suspension system may be adapted to the specific pump type. Lifting wire, detail D Cable clamps, distance Max.
4.3 Mechanical installation of KPG DANGER Electric shock Death or serious personal injury - Before installation, switch off the power supply and lock the main switch in position 0. - Before working on the pump, switch off any external voltage connected to the pump. Observe all safety regulations at the installation site.
4.4 Electrical connection 4.3.2 Installing the KPG pump • Lift the pump horizontally by the lifting eyes on the outlet casing to install it in the gate. See fig. 6. Make sure the electrical connection complies with • Use certified lifting equipment only. the local regulations.
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Control cable L2 L3 Control cable L2 L3 Fig. 18 Direct-online-starting, two power cables Fig. 20 Star-delta starting, one power cable Control cable L2 L3 Control cable U1 W1 U3 W3 U4 W4 V1 PE V2 PE V3 PE V4 PE Fig.
4.5.1 CUE or VFD The optional CUE or VFD, which is either a Grundfos variable- All KPL, KPG and KWM pumps can be connected to a frequency frequency converter or a general variable frequency converter, converter if an output filter is installed between the converter and offers better pump protection and a more steady flow through the the motor.
5. Starting up the product 5.1 Preparations for starting up The pump can be started by either direct-on-line starting, star- DANGER delta starting, soft starter or frequency converter. For the wiring of Rotating elements the start-stop circuit, see fig. or 23. Death or serious personal injury - Before manual startup or changeover to automatic control, make sure that no persons are working on...
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3. Observe the jerk of the pump. If the pump jerks counterclockwise, the direction of rotation is correct. See fig. KPL and KWM: Wrong direction of rotation leads to damage to the pump and the column pipe. If the direction of rotation is wrong, interchange two phases in the power cable.
5.2 Startup 6. Handling and storing the product DANGER 6.1 Handling the product Automatic startup • Make sure that the lifting equipment is appropriate. Death or serious personal injury See section 4.2 Lifting the product. - Before manual starting or changeover to automatic •...
8.1 Type key site. Fix the extra nameplate supplied with the pump at the installation site or keep it in the cover of this booklet. Example of KPL: KPL. 56.175.16.T.60.9.E.46 Example of KPG: KPG.5 6.175.16.T.60.9.E.46 Example of KWM: KWM. 56.600.12.T.60.865.M.46 Model: Serial No: prod.No:...
Fig. 31 KWM: switches and sensors are also connected. 2 or 4 2 or 4 Fig. 30 KPL: switches and sensors Fig. 32 KPG: switches and sensors Key for figures 30, and 32: Pos.
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See section 4.4 Electrical connection. cabinet, preferably to a Grundfos SM 113 or IO 113. The sensors must be connected to a Pt100 relay in the control The resistance of the sensor varies with the temperature. The cabinet, preferably to a Grundfos SM 113 or IO 113.
(alarm). The sensor is fitted in a stainless steel tube for mechanical protection. 9.2.1 Dedicated Controls (DC) The WIO sensor must be used together with Grundfos IO 113 or Grundfos DC is a control system designed for installation in either SM 113.
SM 113 is used for collecting and transferring sensor data. SM 10.1 Safety instructions and requirements 113 works together with IO 113 through power line communication using the Grundfos GENIbus protocol. DANGER SM 113 can be placed either inside the pump terminal box...
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When the clearance between the propeller or impeller blade and the wear ring exceeds 0.078 inches (2 mm), replace the wear ring. Faults must be repaired and notified to the For further information, contact Grundfos or the nearest supervisor. authorized service workshop. KPL and KWM: replacing the wear ring •...
(earth). Before returning the product for service, contact Grundfos with • The resistance is above 10 MΩ: OK. details about the pumped liquid. Otherwise, Grundfos can deny to • The resistance is 1 to 10 MΩ: warning. service the product.
11. Fault finding Before diagnosing any fault, read and observe the safety instructions in section 10.1 Safety instructions and requirements. DANGER Electric shock Death or serious personal injury - Before working on the product, make sure that the power supply has been switched off and it cannot be switched on unintentionally.
Perfect site conditions might allow a lower M.W.L. This has to dB (A). be verified by CFD simulation. 12.1.7 Turbulence optimizer (only with KPL and KWM) • Unfavourable site conditions might require a higher M.W.L. Turbulence optimization is only possible if the pump is mounted in the column pipe size that the pump is intended for.
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12.3.1 Water level requirements, KPL 12.3.2 Water level requirements, KPG 7.5HP M.W.L. Fig. 33 Installation example of KPL Requirements for installation ∅D Min. water level [in. (mm)] [in. (mm)] [in. (mm)] [in. (mm)] 20 (508) 10 (254) 30-47 (750-1200) 39-57 (1000-1450)
This product or parts of it must be disposed of in an environmentally sound way: 1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. The crossed-out wheelie bin symbol on a product means that it must be disposed of separately from household waste.
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